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Technical Data Sheet

AS8791/1 — Technical Data Sheet

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· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include color: WHITE, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-PERIPHERAL OVERALL, special_features: CLEANED IAW MIL-STD-1330, peripheral_diameter: 2.986 INCHES MINIMUM AND 2.992 INCHES MAXIMUM IN, center_hole_diameter: 2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-339-8454, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AS8791/1
NSN: 5330-01-339-8454
FSC: 5330
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
colorWHITE
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-PERIPHERAL OVERALL
special_featuresCLEANED IAW MIL-STD-1330
peripheral_diameter2.986 INCHES MINIMUM AND 2.992 INCHES MAXIMUM IN
center_hole_diameter2.622 INCHES MINIMUM AND 2.624 INCHES MAXIMUM IN
fsc_application_data(78062)21780-400 SUBPLATE ASSEMBLY
cross-sectional_height0.086 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
specification/standard_data81349 MIL-R-8791 REV D /CANCELED/ GOVERNMENT SPECIFICATION
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5330-01-339-8454
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AS8791/1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
JOINT TYPE: SCARF-PERIPHERAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
PERIPHERAL DIAMETER: 1.466 INCHES NOMINAL IN
CENTER HOLE DIAMETER: 1.380 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT: 0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
JOINT TYPESCARF-PERIPHERAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER1.466 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.380 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.052 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
6752-001Same_fsc
same_fsc cross-reference
same_fsc
069000245Same_fsc
same_fsc cross-reference
same_fsc
11665311Same_fsc
same_fsc cross-reference
same_fsc
372983Same_fsc
same_fsc cross-reference
same_fsc
1-589-1Same_fsc
same_fsc cross-reference
same_fsc
SS1794Same_fsc
same_fsc cross-reference
same_fsc
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS8791/1?
AS8791/1 is a RETAINER,PACKING.
What parts can replace AS8791/1?
There are 13 known substitutes for AS8791/1: 6752-001, 069000245, 11665311 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS8791/1?
AS8791/1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-339-8454. This indicates validated use in U.S. government and defense supply chains.
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